Linked List Operations in C#

class ListNode
{
    public int Value;
    public ListNode Next;

    public ListNode(int value)
    {
        this.Value = value;     // Holds the value or data of the node
        this.Next = null;       // Points to the next node in the linked list; default is null
    }
}

// Initialization of linked list
public class LinkedListExample
{
    public static void Main(string[] args)
    {
        ListNode head = new ListNode(1);
        head.Next = new ListNode(2);
        head.Next.Next = new ListNode(3);
        head.Next.Next.Next = new ListNode(4);
        head.Next.Next.Next.Next = new ListNode(5);
    }
}

class ListNode
{
    public int Value;
    public ListNode Next;

    public ListNode(int value)
    {
        this.Value = value;
        this.Next = null;
    }
}

public class ReverseLinkedList
{
    public static ListNode Reverse(ListNode head)
    {
        ListNode prev = null;
        ListNode current = head;
        while (current != null)
        {
            ListNode nextNode = current.Next;
            current.Next = prev;
            prev = current;
            current = nextNode;
        }
        return prev;
    }

    // Test
    public static void Main(string[] args)
    {
        ListNode head = new ListNode(1);
        head.Next = new ListNode(2);
        head.Next.Next = new ListNode(3);
        head.Next.Next.Next = new ListNode(4);
        head.Next.Next.Next.Next = new ListNode(5);

        ListNode reversedHead = Reverse(head);
        while (reversedHead != null)
        {
            System.Console.Write(reversedHead.Value + " ");
            reversedHead = reversedHead.Next;  // Output: 5 4 3 2 1
        }
    }
}